n-Propylphosphonic Dichloride from Mexico
n-Propylphosphonic dichloride is the straight-chain isomer of this dichloride, a colorless liquid reactive towards nucleophiles. Classified in HTS 2931.52.00.00 as it matches the legal definition of halogenated organo-phosphorus compounds in heading 2931. Used in flame retardant production and peptide synthesis.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Label shipments with GHS corrosive pictograms and 'RQ' if exceeding reportable quantities
• Obtain end-user statements for anti-proliferation compliance due to dual-use potential
• Test for stabilizer content to ensure Chapter 29 note (f) applicability